/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    usart.c
  * @brief   This file provides code for the configuration
  *          of the USART instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "usart.h"
#include "stdio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

UART_HandleTypeDef huart1;
UART_HandleTypeDef uart2= {0};
/* USART1 init function */

void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

void board_uart2_driver_init(uint32_t baud)
{
	
		GPIO_InitTypeDef GPIO_InitStruct;
		
						/* Peripheral clock enable */
				__HAL_RCC_USART2_CLK_ENABLE();
				__HAL_RCC_GPIOA_CLK_ENABLE();
				
				/**USART2 GPIO Configuration    
				PA2     ------> USART2_TX
				PA3     ------> USART2_RX 
				*/
				
				GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
			GPIO_InitStruct.Pull      = GPIO_PULLUP;
				GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
			GPIO_InitStruct.Pin = GPIO_PIN_2;

				HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

				GPIO_InitStruct.Pin = GPIO_PIN_3;
				 GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
				GPIO_InitStruct.Pull = GPIO_PULLUP;
				HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
				

				
		//			RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;

	/* Select SysClk as source of USART2 clocks */
////	RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
////	RCC_PeriphClkInit.Usart234578ClockSelection = RCC_USART2CLKSOURCE_D2PCLK1;
////	HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);
	
	/* Enable USARTx clock */
	 __HAL_RCC_USART2_CLK_ENABLE();
				
				
		 uart2.Instance = USART2;
				uart2.Init.BaudRate = baud;
				uart2.Init.WordLength = UART_WORDLENGTH_8B;
				uart2.Init.StopBits = UART_STOPBITS_1;
				uart2.Init.Parity = UART_PARITY_NONE;
				uart2.Init.Mode = UART_MODE_TX_RX;
				uart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
				uart2.Init.OverSampling = UART_OVERSAMPLING_16;
						
				if (HAL_UART_Init(&uart2) != HAL_OK)
				{
						return ;
				}
				
								/* USART2 interrupt Init */
			 __HAL_UART_ENABLE_IT(&uart2,UART_IT_RXNE);
	//	__HAL_UART_DISABLE_IT(&h_uart[com_x],UART_FLAG_IDLE);
				
			 HAL_NVIC_SetPriority(USART2_IRQn, 8, 0);
				HAL_NVIC_EnableIRQ(USART2_IRQn);
				
		
}






void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspInit 0 */

  /* USER CODE END USART1_MspInit 0 */
    /* USART1 clock enable */
    __HAL_RCC_USART1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USART1 interrupt Init */
    HAL_NVIC_SetPriority(USART1_IRQn, 7, 0);
    HAL_NVIC_EnableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspInit 1 */
		__HAL_UART_ENABLE_IT(&huart1,UART_IT_RXNE);
  /* USER CODE END USART1_MspInit 1 */
  }
}

void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{

  if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspDeInit 0 */

  /* USER CODE END USART1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART1_CLK_DISABLE();

    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);

    /* USART1 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspDeInit 1 */

  /* USER CODE END USART1_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */
struct __FILE
{
	int handle;
};

FILE __stdout;

void _sys_exit(int x) 
{ 
 x = x; 
} 

int fputc(int ch ,FILE *f)
{
	 uart2.Instance->DR = (uint8_t)ch;
	 while(__HAL_UART_GET_FLAG(&uart2,UART_FLAG_TC)==RESET); 
	 return 0;
}
/* USER CODE END 1 */
